part 3

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wiener123
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291155
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part 3
Updated:
2014-12-09 15:17:22
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  1. HIV possesses a ________
    genome
    ssRNA
  2. Southern blotting
    both A & B
  3. The genetic variations
    observed in DNA fingerprinting are referred to as ______.
    RFLP’s (SNP’s)
  4. The extraction and purification of bacterial DNA involves
    the use of which of the following.
    all of the above
  5. Palindromes

    a. form cruciforms

    b. containe inverted repeats

    c. are sequences that provide the same information whether
    they are read forward or backwards

    d. play a role in the function of restriction enzymes

    e. all of the above
    are correct
    E
  6. The denaturation of DNA is (denaturation= separation of DNA
    strands)

    a. promoted by heat, low salt concentration, and extremes in
    pH

    b. reversible

    c. monitored by measuring the absorbance at 300nm

    d. both a and b are
    correct

    e. all of the above are correct
    D
  7. The chain terminating method for sequencing DNA was
    developed by
    Frederick Sanger
  8. In a transversion mutation
    Purine and Pyrimidine are switched
  9. A nucleoid is:
    • dense supercoiled
    • region of DNA attached to a protein core in a prokaryotic cell
  10. Chromatin is:
    • DNA complexed with
    • histones
  11. ) Intergenic sequences are
    both a and b

    • (noncoding DNA,
    • “junk”)
  12. Restriction enzymes
    • cut DNA molecules at
    • specific BP
  13. The hypochromic effect is
    • the shift of light
    • absportion to longer wavelengths
  14. Which of the following is
    the largest and most complex structure?
    Chromosome
  15. Lysogeny is:
    phase genome is integrated into the chromosome of the host
  16. A defect in which of the
    following HAR’s can result in microcephaly?
    HAR1
  17. ) The change of a single base pair in a DNA chain is
    referred to as:
    point mutation
  18. A mutation caused by an alkylating agent is referred to as
    transversion mutation
  19. A point mutation that converts the code for an amino acid to
    a premature stop signal is referred to as
    non-sense mutation
  20. Which of the following is
    not an endogenous cause of DNA damage ?
    radiation
  21. Point mutations that occur in a population to any extent are
    referred to as
    SNPs

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